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Source View: update_{$meta_type}_metadata

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Source View

Line Code
110
111      $column = esc_sql($meta_type . '_id');
112      $id_column = 'user' == $meta_type ? 'umeta_id' : 'meta_id';
113
114      // expected_slashed ($meta_key)
115      $meta_key = stripslashes($meta_key);
116      $meta_value = stripslashes_deep($meta_value);
117      $meta_value = sanitize_meta( $meta_key, $meta_value, $meta_type );
118
119      $check = apply_filters( "update_{$meta_type}_metadata", null, $object_id, $meta_key, $meta_value, $prev_value );
120      if ( null !== $check )
121           return (bool) $check;
122
123      if ( ! $meta_id = $wpdb->get_var( $wpdb->prepare( "SELECT $id_column FROM $table WHERE meta_key = %s AND $column = %d", $meta_key, $object_id ) ) )
124           return add_metadata($meta_type, $object_id, $meta_key, $meta_value);
125
126      // Compare existing value to new value if no prev value given and the key exists only once.
127      if ( empty($prev_value) ) {
128           $old_value = get_metadata($meta_type, $object_id, $meta_key);